Q51.The substance used as froth stabilisers in forth-floatation process is (1) Potassium ethyl xanthate (2) Aniline (3) Sodium cyanide (4) Copper sulphate
What This Question Tests
This question directly asks for the name of a substance commonly used as a froth stabilizer in the froth flotation process, a key metallurgical technique.
Concepts Tested
📚 NCERT Sections This Tests
5.14 — What Is The Coordination Entity Formed When Excess Of Aqueous Kcn Is
Chemistry Class 11 · Chapter 5
5.14 What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H2S(g) is passed through this solution?
5.13 — Aqueous Copper Sulphate Solution (Blue In Colour) Gives:
Chemistry Class 11 · Chapter 5
5.13 Aqueous copper sulphate solution (blue in colour) gives: (i) a green precipitate with aqueous potassium fluoride and (ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.
4.14 — Describe The Preparation Of Potassium Dichromate From Iron Chromite Ore.
Chemistry Class 11 · Chapter 4
4.14 Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
📋 Question Details
- Chapter
- Metallurgy
- Topic
- Froth floatation process
- Year
- 2012
- Shift
- 26 May Online
- Q Number
- Q51
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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